COLDS

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Completed 1

Can a simple seawater spray tame cold and sinus misery?

Symptom relief Completed

This trial tests whether two nasal pump sprays made from diluted seawater can safely ease symptoms of colds, rhinitis, sinusitis, and other upper respiratory infections. Participants, from 3 months old, will use one of the sprays for 7 days while doctors track symptom severity an…

Matched conditions: COLDS

Sponsor: YSLab • Aim: Symptom relief

Last updated Aug 21, 2026 00:00 UTC

COLDS

Get alerted when new COLDS trials appear

Can a simple seawater spray tame cold and sinus misery?